Automated abdominal CT contrast phase detection using an interpretable and open-source artificial intelligence algorithm

ConclusionAn open-source and interpretable AI algorithm accurately detects contrast phases in abdominal CT scans, with high accuracy and F1 scores in internal and external validation, confirming its generalization capability.Clinical relevance statementContrast phase detection in abdominal CT scans is a critical step for downstream AI applications, deploying algorithms in the clinical setting, and for quantifying imaging biomarkers, ultimately allowing for better diagnostics and increased access to diagnostic imaging.Key PointsDigital Imaging and Communications in Medicine labels are inaccurate for determining the abdominal CT scan phase.AI provides great help in accurately discriminating the contrast phase.Accurate contrast phase determination aids downstream AI applications and biomarker quantification.
Source: European Radiology - Category: Radiology Source Type: research